def housekeeping():
""" calls housekeep for each manager. is run periodically.
"""
token = get_token()
logger.info('provisioning plugins queried from worker')
mgr = get_provisioning_manager()
mgr.map_method(mgr.names(), 'housekeep', token)
def update_user_connectivity(instance_id):
""" updates the connectivity for a single instance.
"""
logger.info('updating connectivity for instance %s' % instance_id)
token = get_token()
mgr = get_provisioning_manager()
plugin = get_provisioning_type(token, instance_id)
mgr.map_method([plugin], 'update_connectivity', token, instance_id)
logger.info('update connectivity for instance %s ready' % instance_id)
def run_update(instance_id):
""" calls the update method for the manager of a single instance.
"""
logger.info('update triggered for %s' % instance_id)
token = get_token()
mgr = get_provisioning_manager()
plugin = get_provisioning_type(token, instance_id)
mgr.map_method([plugin], 'update', token, instance_id)
logger.info('update done, notifying server')
def periodic_update():
""" Runs periodic updates.
In particular sets old instances up for deprovisioning after they are past
their maximum_lifetime and sets instances up for up updates.
Both deletion and update events are not guaranteed to take place
immediately. If there are more than 10 instances a random sample of 10
updates and deletions will take place to ensure task is safe to run and
won't slow down other tasks.
"""
token = get_token()
pbclient = PBClient(token,
local_config['INTERNAL_API_BASE_URL'],
ssl_verify=False)
instances = pbclient.get_instances()
deprovision_list = []
update_list = []
for instance in instances:
logger.debug('checking instance for actions %s' % instance['name'])
deprovision_required = False
if instance.get('state') in [Instance.STATE_RUNNING]:
if not instance.get('lifetime_left') and instance.get(
'maximum_lifetime'):
deprovision_required = True
if deprovision_required:
deprovision_list.append(instance)
elif instance.get('state') not in [Instance.STATE_FAILED]:
update_list.append(instance)
# ToDo: refactor magic number to variable
if len(deprovision_list) > 10:
deprovision_list = random.sample(deprovision_list, 10)
for instance in deprovision_list:
logger.info(
'deprovisioning triggered for %s (reason: maximum lifetime exceeded)'
% instance.get('id'))
pbclient.do_instance_patch(instance['id'], {'to_be_deleted': True})
run_update.delay(instance.get('id'))
if len(update_list) > 10:
update_list = random.sample(update_list, 10)
for instance in update_list:
run_update.delay(instance.get('id'))
def publish_plugins():
""" ToDo: document.
"""
logger.info('provisioning plugins queried from worker')
token = get_token()
mgr = get_provisioning_manager()
for plugin in mgr.names():
payload = {'plugin': plugin}
res = mgr.map_method([plugin], 'get_configuration')
if not len(res):
logger.warn('plugin returned empty configuration: %s' % plugin)
continue
config = res[0]
if not config:
logger.warn('No config for %s obtained' % plugin)
continue
for key in ('schema', 'form', 'model'):
payload[key] = json.dumps(config.get(key, {}))
do_post(token, 'plugins', payload)